22402022022044 has 12 divisors (see below), whose sum is σ = 44804044044144. Its totient is φ = 9600866580864.

The previous prime is 22402022022007. The next prime is 22402022022067. The reversal of 22402022022044 is 44022022020422.

22402022022044 is an admirable number.

It is a super-2 number, since 2×22402022022044² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400036107509 + ... + 400036107564.

It is an arithmetic number, because the mean of its divisors is an integer number (3733670337012).

Almost surely, 2^{22402022022044} is an apocalyptic number.

It is an amenable number.

22402022022044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22402022022044 is a wasteful number, since it uses less digits than its factorization.

22402022022044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 800072215084 (or 800072215082 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 26.

Adding to 22402022022044 its reverse (44022022020422), we get a palindrome (66424044042466).

The spelling of 22402022022044 in words is "twenty-two trillion, four hundred two billion, twenty-two million, twenty-two thousand, forty-four".